Colorado State Highway 231

{{short description|State highway in Pueblo County, Colorado, United States}}

{{Use mdy dates|date=January 2025}}

{{Infobox road

| state = CO

| type = SH

| route = 231

| alternate_name = 36th Lane

| map = Colorado State Highway 231 Map.svg

| map_notes = Map of Pueblo County in south central Colorado with SH 231 highlighted in red

| length_mi = 2.05

| length_ref = {{cite web|url=http://www.dot.state.co.us/app_DTD_DataAccess/Highways/index.cfm?fuseaction=Description&route=231&begRefPt=0&endRefPt=500&Printable=true|title=Segment list for SH 231|accessdate=2011-01-22}}{{Dead link|date=July 2020 |bot=InternetArchiveBot |fix-attempted=yes }}

| established =

| decommissioned =

| history =

| restrictions =

| direction_a = South

| terminus_a = {{jct|state=CO|US-Bus|50|dab1=Pueblo–Avondale}} in Vineland

| junction =

| direction_b = North

| terminus_b = {{jct|state=CO|US|50|SH|96}} in Devine

| counties = Pueblo

| previous_type = SH

| previous_route = 227

| next_type = SH

| next_route = 233

}}

State Highway 231 (SH 231) is a state highway in Pueblo County, Colorado, United States. SH 231's southern terminus is at U.S. Route 50 Business (US 50 Bus.) in Vineland, and the northern terminus is at U.S. Route 50 (US 50) and SH 96 in Devine.